Top Mount Swimming Pool Fiberglass Sand Filter1&rpar;It is made of fiberglass and high density polyethylene and its designed for most domestic swimming pools or spa pool&period;2&rpar;Valve is designed to allow 360 degree rotation to simplify installation&period;3&rpar;Easy-to-use water drain plug and multi-port valve lets you select any of the valves&sol;filter operationIdeal for&colon; 1&rpar; Hotels 2&rpar; Motels 3&rpar; Clubs 4&rpar; Condos 5&rpar; Apartments 6&rpar; Homes